Finding the Fourth Proportional to 451,704.21, 623,352.70 and 247,756.79
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Solution
The fourth proportional to 451,704.21, 623,352.70 and 247,756.79 is: 341,904.87
Step by Step Solution
- Step 1: Write the proportion equation
451,704.21 : 623,352.70 = 247,756.79 : x - Step 2: Convert to fraction form
451,704.21/623,352.70 = 247,756.79/x - Step 3: Cross multiply
451,704.21x = 623,352.70 × 247,756.79 - Step 4: Simplify right side
451,704.21x = 154,439,865,857.91 - Step 5: Solve for x
x = 154,439,865,857.91/451,704.21 - Step 6: Final answer
x = 341,904.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.